/Engine/Plugins/Protocols/MQTT/Source/MQTTCore/Public/MQTTShared.h
Mqtt[s]://[username][:password].domain[:port]
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FMQTTURL
bool
bFlaggedInvalid
FString
Host
FString
Password
int32
Port
Default port is 1883 for MQTT scheme, 8883 for MQTTS.
EMQTTScheme
Scheme
FString
Username